diff mbox series

[v2,27/27] mtd: spinand: winbond: Add support for DTR operations

Message ID 20241224-winbond-6-11-rc1-quad-support-v2-27-ad218dbc406f@bootlin.com (mailing list archive)
State New
Headers show
Series spi-nand/spi-mem DTR support | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR fail PR summary
conchuod/patch-27-test-1 success .github/scripts/patches/tests/build_rv32_defconfig.sh took 138.58s
conchuod/patch-27-test-2 success .github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh took 1374.59s
conchuod/patch-27-test-3 success .github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh took 1605.62s
conchuod/patch-27-test-4 success .github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh took 21.06s
conchuod/patch-27-test-5 success .github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh took 22.97s
conchuod/patch-27-test-6 success .github/scripts/patches/tests/checkpatch.sh took 0.46s
conchuod/patch-27-test-7 success .github/scripts/patches/tests/dtb_warn_rv64.sh took 43.94s
conchuod/patch-27-test-8 success .github/scripts/patches/tests/header_inline.sh took 0.01s
conchuod/patch-27-test-9 success .github/scripts/patches/tests/kdoc.sh took 0.54s
conchuod/patch-27-test-10 success .github/scripts/patches/tests/module_param.sh took 0.01s
conchuod/patch-27-test-11 success .github/scripts/patches/tests/verify_fixes.sh took 0.00s
conchuod/patch-27-test-12 success .github/scripts/patches/tests/verify_signedoff.sh took 0.04s

Commit Message

Miquel Raynal Dec. 24, 2024, 5:06 p.m. UTC 
W25N01JW and W25N02JW support many DTR read modes in single, dual and
quad configurations.

DTR modes however cannot be used at 166MHz, as the bus frequency in
this case must be lowered to 80MHz.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 drivers/mtd/nand/spi/winbond.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c
index 51972ba0f193c7b27ece0296c1590ddfed0ac813..8394a1b1fb0c125ddb614269069d107463e905a3 100644
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -24,10 +24,15 @@ 
  */
 
 static SPINAND_OP_VARIANTS(read_cache_dtr_variants,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_DTR_OP(0, 8, NULL, 0, 80 * HZ_PER_MHZ),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_DTR_OP(0, 4, NULL, 0, 80 * HZ_PER_MHZ),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
 		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
 		SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0, 54 * HZ_PER_MHZ));